diff options
| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2018-04-10 14:38:50 +0900 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2018-05-21 10:36:14 +0300 |
| commit | 1990cf7c21ea185cec98c6d45a82c04481261e35 (patch) | |
| tree | ca7e086f118edf4a49d1b37cd9509fe23014791c /drivers/usb/gadget/udc/renesas_usb3.c | |
| parent | a665140e583caad47bd2d10a433669bb26ce3b64 (diff) | |
usb: gadget: udc: renesas_usb3: should remove debugfs
This patch fixes an issue that this driver doesn't remove its debugfs.
Fixes: 43ba968b00ea ("usb: gadget: udc: renesas_usb3: add debugfs to set the b-device mode")
Cc: <stable@vger.kernel.org> # v4.14+
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/gadget/udc/renesas_usb3.c')
| -rw-r--r-- | drivers/usb/gadget/udc/renesas_usb3.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 409cde4e6a51..4ef2386c3ac4 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -333,6 +333,7 @@ struct renesas_usb3 { struct extcon_dev *extcon; struct work_struct extcon_work; struct phy *phy; + struct dentry *dentry; struct renesas_usb3_ep *usb3_ep; int num_usb3_eps; @@ -2393,8 +2394,12 @@ static void renesas_usb3_debugfs_init(struct renesas_usb3 *usb3, file = debugfs_create_file("b_device", 0644, root, usb3, &renesas_usb3_b_device_fops); - if (!file) + if (!file) { dev_info(dev, "%s: Can't create debugfs mode\n", __func__); + debugfs_remove_recursive(root); + } else { + usb3->dentry = root; + } } /*------- platform_driver ------------------------------------------------*/ @@ -2402,6 +2407,7 @@ static int renesas_usb3_remove(struct platform_device *pdev) { struct renesas_usb3 *usb3 = platform_get_drvdata(pdev); + debugfs_remove_recursive(usb3->dentry); device_remove_file(&pdev->dev, &dev_attr_role); usb_del_gadget_udc(&usb3->gadget); |